Process of and apparatus for the manufacture of artificial ribbons, etc.



July 10, 1934. R. ETZK ORN 1,966,004

PROCESS OF ANb APPARATUS FOR THE MANUFACTURE OF ARTIFICIAL RIBBONS, ETC

Filed Sept. 1, 1931 2 Sheets-Sheet 1 vvvv v.

4 gwuentoz M I JAM/Dad R. ETZKORN July 10, 1934;

PROCESS OF AND APPARATUS FOR THE MANUFACTURE OF ARTIFICIAL RIBBONS, ETC

' Filed Sept. 1, 1951 2 Sheets-Sheet 2.

Patented July 10, 1934 UNITED STATES PROCESS OF AND APPARATUS FOR THEMANUFACTURE OF ARTIFICIAL RIBBONS,

ETC.

Rudolf Etzkorn,

Oberbruch, Regierungsbezirk Aachen, Germany, assignor to North AmericanRayon Corporation, New York, N. Y., a corporation of DelawareApplication September 1, 1931, Serial No. 560,620 In Germany September1, 1930 3 Claims. (Cl. 18-8) This invention relates to a process of and.apparatus for forming artificial products.

In the process of and apparatus for spinning artificial products asdisclosed in a German ap- 5 plication of the same assignees of thepresent invention No. V. 71.30 filed on March 31, 1930 and laid open tothe public on March 31, 1932, which consists entirely or partly ofregenerated cellulose or cellulose derivates, especially viscose, theproducts are formed by treatment in a setting bath and stretching thesame over a considerable distance while still immersed therein. Theproduct is then passed over an oscillating or reciprocating threadguide, around a godet wheel and then downwardly into a horizontallyrotating pot. By such process and arrangement a cake like thread body isobtained which can readily be treated and washed as well as wound off.

It has been discovered that artificial silk ribbons can be produced byutilizing, in part, this process.

It is therefore an object of this invention to provide a process and.mechanism by which artificial silk ribbons can readily be produced.

A further object of this invention is to provide suitable mechanism tofree the artificial silk ribbon from the tension imparted thereto by thespinning process.

These and other objects will become more apparent from a perusal of thefollowing description and a study of the drawings in which:

Figure 1 is a diagrammatic view of a form of apparatus used in carryingout the process;

Figure 2 is a side elevation of the tension removing means; and

Figure 3 is an end elevation of the same.

Referring now to the drawings, and more particularly to Figure 1, thereis shown a diagrammatic view of the apparatus. The ribbon-likeartificial material having been spun into the pot 1, is washed andotherwise chemically treated. This may readily be accomplished by theloose winding imparted thereto as described above. It will be noted thatthe spinning pot comprises a base portion, having perforations oropenings 2 formed therein, resting on a plate 3 which is secured to ahollow axle 4. By this arrangement all of the treating liquids mayeasily be drained 011.

and the ribbon of artificial silk is passed over suitable guide rods 5,6 through an eyelet 7 made of glass or other suitable material andthrough a slitted opening 8 for a purpose to be hereinafter described,into a drying reel 9 where it is trans- After suitable treatment the potis rotatedported sideways during the drying operation which isaccomplished by means of blowers 10. The ribbon is then reeled into askein reel 11.

Referring now more particularly to Figures 2 and 3 there is shown indetail the construction of the slitted opening 8. Due to the fact that,during the pot spinning process, a tension is imparted to the ribbonlike material forming therein a series of twisted convolutions, it isnecessary to provide means whereby the ribbons are opened up completely,and smoothed. This is accomplished by providing between the spinning potand the drying reel suitable mechanism which comprises an L-shaped brace12, to the vertically extending portion of which is welded or otherwisesecured a horizontally extending arm 13 covered with rubber 14 pivotallysupported to one end of the arm by means of a pintle 14 is a U-shapedbracket 15 through which the member 16 is inserted. Secured to thepintle is a tongue like member 1'? which is provided with a spring 18,which forcing the tongue against the member 16, resiliently holds thelatter against the arm 13. The member 16 is likewise covered withrubber-like material. By the construction it will be appreciated thatthe artificial silk ribbon is flattened and smoothed.

While the preferred practise of the process and the apparatus forcarrying out the same have been described in detail, it is to beunderstood that eaoh may be widely varied without departing from thespirit of the invention or the spirit of the appended claims.

What I claim is:

1. A process for the manufacture of artificial silk ribbons whichcomprises extruding the ribbon into a precipitating bath, collecting thesame in a suitable receiver, washing and chemically treating the saidribbon while therein, and fiattening and smoothing the said ribbonsprior to the drying thereof.

2. In combination, a spinning pot for collecting artificial silkribbons, guide means, a ribbon flattening device through which the saidribbon is led from the guide means, and a drying reel for receiving thesaid ribbon from the spinning pot.

3. In a process for the manufacture of ribbons of cellulosic material,the steps of extruding the ribbon, collecting and treating the same in arotating receptacle, reversing the motion of the receptacle, reeling theribbon coming therefrom, at the same time flattening it.

RUDOLF ETZKORN.

